无聊用数组写的。还有些bug，日后有兴趣了改

#include<stdio.h>
#include<stdlib.h>
#include<windows.h>
#include<conio.h>
#include<time.h> 
void weizhi(int x,int y);
void yanse(int color);
void guangbiao(bool a);
void food();
void beijing();
int main()
{
struct move{int st_x;int st_y;}sneak,sjs,jlsjs[47][28];	KS:char b,c;int sneakbody_w[2][48]={{0,2,4,6},{0,1,1,1}},i,sc=3,j=0,x,y,n=700;guangbiao(0);beijing();	sneak.st_y=1;sneak.st_x=6;weizhi(2,1);yanse(0xB);printf("⊙");weizhi(4,1);yanse(0xB);printf("⊙");weizhi(6,1);yanse(0xB);printf("⊙");for(;1;){if(kbhit())break;} while(1){if(kbhit())b=getch();if((b!='8')&&(b!='2')&&(b!='4')&&(b!='6')&&(b!=27))b=c;switch(b){case('8'):sneak.st_y=sneak.st_y-1;c=b;break;case('2'):sneak.st_y=sneak.st_y+1;c=b;break;case('4'):sneak.st_x=sneak.st_x-2;c=b;break;case('6'):sneak.st_x=sneak.st_x+2;c=b;break;case(27):exit(0);break;default:;}for(i=1;i<sc+1;i=i+1){sneakbody_w[0][i-1]=sneakbody_w[0][i];sneakbody_w[1][i-1]=sneakbody_w[1][i];}weizhi(sneakbody_w[0][0],sneakbody_w[1][0]);yanse(0x0A);printf("■");weizhi(sneak.st_x,sneak.st_y);yanse(0xB);printf("⊙");Sleep(n);if(n>200) n=n-1;j=j+1;if(j==10){CX:srand((unsigned)time(NULL));sjs.st_x=(rand()%47+1)*2;sjs.st_y=rand()%28+1;weizhi(sjs.st_x,sjs.st_y);for(x=0;x<48;x=x+1){if((sjs.st_x==sneakbody_w[0][x])&&(sjs.st_y==sneakbody_w[1][x]))goto CX;}yanse(0xF9);printf("★");jlsjs[(sjs.st_x)/2][sjs.st_y].st_x=(sjs.st_x)/2;jlsjs[(sjs.st_x)/2][sjs.st_y].st_y=sjs.st_y;j=0;}for(y=1;y<29;y=y+1){for(x=1;x<48;x=x+1){if((((jlsjs[x][y].st_x)*2)==sneak.st_x)&&((jlsjs[x][y].st_y)==sneak.st_y)){sc=sc+1;}}}for(x=0;x<sc;x=x+1){if((sneak.st_x==sneakbody_w[0][x])&&(sneak.st_y==sneakbody_w[1][x])){printf("得分为%d.......请按任意键继续\n共走%d步\n",sc-3,699-n);getch();printf("游戏结束，请按任意键重新开始");getch();goto KS; }else if(sneak.st_x==0||sneak.st_x==98||sneak.st_y==0||sneak.st_y==29){printf("得分为%d.......请按任意键继续\n共走%d步\n",sc-3,699-n);getch();printf("游戏结束，请按任意键重新开始");getch();goto KS; }}sneakbody_w[0][sc]=sneak.st_x;sneakbody_w[1][sc]=sneak.st_y;}return 0;
} 
void weizhi(int x,int y)
{COORD coord;coord.X=x;coord.Y=y;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord);
}
void yanse(int color)
{SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),color);
}
void guangbiao(bool a)
{CONSOLE_CURSOR_INFO cursor_info={5,a};SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE),&cursor_info);
}
void beijing()
{int x,y,beijingc=30,beijingk=50;system("mode con:cols=100 lines=38");for(x=0;x<beijingc;x=x+1){for(y=0;y<beijingk;y=y+1){if(x==0||y==0||x==beijingc-1||y==beijingk-1){yanse(0x0C);printf("□");}else{yanse(0x0A);printf("■");}}}
}

看了下。。。写的什么吊代码所以改了下。。。

#include<stdio.h>
#include<windows.h>
#include<time.h>
#include<string.h>
#include<conio.h>
#include<stdlib.h>
#define maxH 30
#define maxW 70
#define maxWidth 1940
#define maxSneakLenght 1940 
#define maxSleepTime 700;  //可更改 
struct STU {int x,y;
} sneak[maxSneakLenght];
void color(int ans); //输出字符颜色控制 
void curPosition(int x,int y); //输出位置控制 
void curHind(bool t); //光标形状控制 
void initMap(); //地图初始化 
void beginGame(); //游戏主主体部分，蛇的移动 
void makeFood(); //食物位置生成 
void gameOver(); //游戏结束时分数输出 
int sneakDie(); //游戏结束条件判断 
int eatFood(); //是否吃到食物 
int choose(); //游戏开始操作选择 
int score,sneakLenght,sneakHead,sneakTail,sleepTime,foodMading; 
int food[maxW][maxH];int main() {int begin;{                   //部分数据初始化块 begin = 1;curHind(0);}while( begin ) {initMap();begin = choose();}return 0;
}void beginGame() {char pointed,point;curPosition(maxH,0);printf("游戏已开始输入6或2开始移动                               ");do{pointed = point = getch();} while(point != '6' && point != '2');while(!sneakDie()) {switch(point) {case '8' :{if(pointed == '2'){point = pointed;sneak[(sneakHead + 1) % maxWidth].x = sneak[sneakHead % maxWidth].x + 1;sneak[(sneakHead + 1) % maxWidth].y = sneak[sneakHead % maxWidth].y;break;}sneak[(sneakHead + 1) % maxWidth].x = sneak[sneakHead % maxWidth].x - 1;sneak[(sneakHead + 1) % maxWidth].y = sneak[sneakHead % maxWidth].y;break;}case '4' :{if(pointed == '6'){point = pointed;sneak[(sneakHead + 1) % maxWidth].x = sneak[sneakHead % maxWidth].x;sneak[(sneakHead + 1) % maxWidth].y = sneak[sneakHead % maxWidth].y + 2;break;}sneak[(sneakHead + 1) % maxWidth].x = sneak[sneakHead % maxWidth].x;sneak[(sneakHead + 1) % maxWidth].y = sneak[sneakHead % maxWidth].y - 2;break;}case '6' :{if(pointed == '4'){point = pointed;sneak[(sneakHead + 1) % maxWidth].x = sneak[sneakHead % maxWidth].x;sneak[(sneakHead + 1) % maxWidth].y = sneak[sneakHead % maxWidth].y - 2;break;}sneak[(sneakHead + 1) % maxWidth].x = sneak[sneakHead % maxWidth].x;sneak[(sneakHead + 1) % maxWidth].y = sneak[sneakHead % maxWidth].y + 2;break;}case '2' :{if(pointed == '8'){point = pointed;sneak[(sneakHead + 1) % maxWidth].x = sneak[sneakHead % maxWidth].x - 1;sneak[(sneakHead + 1) % maxWidth].y = sneak[sneakHead % maxWidth].y;break;}sneak[(sneakHead + 1) % maxWidth].x = sneak[sneakHead % maxWidth].x + 1;sneak[(sneakHead + 1) % maxWidth].y = sneak[sneakHead % maxWidth].y;break;}}pointed = point;if(!eatFood()) {curPosition(sneak[(sneakTail) % maxWidth].x,sneak[(sneakTail) % maxWidth].y);color(0x0C);printf("□");sneakTail++;}sneakHead++;curPosition(sneak[(sneakHead) % maxWidth].x,sneak[(sneakHead) % maxWidth].y);color(0x0A);printf("⊙");Sleep(sleepTime);makeFood();if(kbhit())point = getch();if(point != '8' && point != '2' && point != '4' && point != '6')	point = pointed;}gameOver();
}
void makeFood() {foodMading++;score++;if(foodMading % (sleepTime / 100)) return ;int foodX,foodY;srand(foodMading + sleepTime % maxW + (int)time(NULL));foodX = rand() % (maxH - 2) + 1;srand(foodMading + sleepTime % maxH + (int)time(NULL));foodY = rand() % (maxW - 2) + 1;for(int i = sneakTail; i <= sneakHead; i++)if(foodX == sneak[i % maxWidth].x && foodY * 2 == sneak[i % maxWidth].y) return;food[foodX][foodY] = 1;curPosition(foodX,foodY * 2);color(0x0E);printf("⊙");
}
int eatFood() {if(!food[sneak[sneakHead % maxWidth].x][sneak[sneakHead % maxWidth].y / 2]) return 0;food[sneak[sneakHead % maxWidth].x][sneak[sneakHead % maxWidth].y / 2] = 0;if(sleepTime > 200)	sleepTime -= 25;sneakLenght++;score += 10;	return 1;
}
int sneakDie() {int sneakHeadX,sneakHeadY;sneakHeadX = sneak[sneakHead % maxWidth].x;sneakHeadY = sneak[sneakHead % maxWidth].y;for(int i = sneakTail; i < sneakHead; i++)if(sneakHeadX == sneak[i % maxWidth].x && sneakHeadY == sneak[i % maxWidth].y) return 1;if(sneakHeadX == 0 || sneakHeadX == maxH - 1)	return 1;if(sneakHeadY == 0 || sneakHeadY == (maxW - 1) * 2)	return 1;return 0;
}
int choose() {char c;curPosition(maxH,0);printf("请输入y或n开始或者退出游戏!     ");while((c = getch()) != 'y' && c != 'n') ;if(c == 'y') beginGame();else if(c == 'n') return 0;return 1;
}
void initMap() {score = 0;sleepTime = maxSleepTime;foodMading = 0;sneakLenght = 3;sneakHead = 2;sneakTail = 0;sneak[0].x = sneak[1].x = sneak[2].x = 1;sneak[0].y = 2;sneak[1].y = 4;sneak[2].y = 6;system("mode con:cols=140 lines=32"); memset(food,0,sizeof(food));for(int i = 0; i < maxH; i++)for(int j = 0; j < maxW; j++)if(i == 0 || i == maxH - 1 || j == 0 || j == maxW - 1) {color(0x0A);printf("■");} else {color(0x0C);printf("□");}for(int i = 0; i < sneakLenght; i++) {curPosition(sneak[(sneakTail + i) % maxWidth].x,sneak[(sneakTail + i) % maxWidth].y);printf("⊙");}
}
void gameOver() {system("mode con:cols=140 lines=32"); for(int i = 0; i < maxH; i++)for(int j = 0; j < maxW; j++)if(i == 0 || i == maxH - 1 || j == 0 || j == maxW - 1) {color(0x0A);printf("■");}  else printf("  ");curPosition(1,2);             //随便输出的。。QAQ printf("游戏得分:%d",score);curPosition(2,2);printf("长度:%d",sneakLenght);curPosition(3,2);printf("操作评分:%d",score / sneakLenght);curPosition(4,2);printf("操作评分偏差:%d",score % sneakLenght);curPosition(maxH,0);printf("请按任意键继续                       ");getch(); 
}
void color(int ans) {SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),ans);
}
void curPosition(int x,int y) {COORD coord;coord.X = y;coord.Y = x;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord);
}
void curHind(bool t) {CONSOLE_CURSOR_INFO cursor_info = {5,t};SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE),&cursor_info);
}